Home / 71,307.18-98,405.06-39,041.26

Finding the Fourth Proportional to 71,307.18, 98,405.06 and 39,041.26

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Solution

The fourth proportional to 71,307.18, 98,405.06 and 39,041.26 is: 53,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,307.18 : 98,405.06 = 39,041.26 : x
  2. Step 2: Convert to fraction form
    71,307.18/98,405.06 = 39,041.26/x
  3. Step 3: Cross multiply
    71,307.18x = 98,405.06 × 39,041.26
  4. Step 4: Simplify right side
    71,307.18x = 3,841,857,532.78
  5. Step 5: Solve for x
    x = 3,841,857,532.78/71,307.18
  6. Step 6: Final answer
    x = 53,877.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.